Blind Source Separation in Post-nonlinear Mixtures Using Natural Gradient Descent and Particle Swarm Optimization Algorithm.
Kai SongMingli DingQi WangWenhui LiuPublished in: ISNN (3) (2007)
Keyphrases
- particle swarm optimization algorithm
- blind source separation
- source separation
- natural gradient
- independent component analysis
- particle swarm optimization
- independent components analysis
- non stationary
- blind separation
- convergence speed
- particle swarm
- mixing matrix
- cost function
- pso algorithm
- global search
- source signals
- objective function
- negative matrix factorization
- independent components
- inertia weight
- single channel
- speech signal
- factor analysis
- sparse representation
- temporal structure
- signal processing
- denoising
- feature space
- pattern recognition